Re: [netmod] Augmenting an unimplemented module

[Christian Hopps <[e-mail]>]

We also went with the split route with our tags draft.

https://datatracker.ietf.org/doc/draft-rtgyangdt-netmod-module-tags/

Features like deviations were not liked internally by the group. 2
modules seemed like the KISS approach.

Thanks,
Chris.

Balazs Lengyel <[e-mail]> writes:

> My earlier problem was that if I do not implement the augmented module
> (modA) even if the augment is switched off by a feature, I still need to
> have the NOT implemented augmented module (modA)  in yang-library to
> satisfy the import statement of the augmenting module (modB). So I
> decided to follow Lou's suggestion and separate the core and the
> augmenting definitions of (modB-core and modB-augment). This way if the
> augmented module (modA)  is absent I can exclude the augmenting
> parts(modB-augment), but still use the core parts (modB-core).
>
> regards Balazs
>
>
> On 2017-02-03 18:45, Lou Berger wrote:
>> Is it cleaner/preferable to do this or to have two models, one with
>> the core definitions and one with the augmentations?
>>
>> Lou
>>
>>
>> On February 3, 2017 11:43:56 AM Juergen Schoenwaelder
>> <[e-mail]> wrote:
>>
>>> On Fri, Feb 03, 2017 at 11:30:42AM -0500, Christian Hopps wrote:
>>>>
>>>> Well sure it's odd for an augmenting only module. In my case I'm adding
>>>> a feature to another module that is not required for my module to be
>>>> useful. My module is quite simple, conversely the module it augments
>>>> (yang library) isn't. I didn't want to force the implementer to have to
>>>> implement yang library, but I do want to add to it if they do.
>>>>
>>>> In any case is there anything explicit in the standard to indicate that
>>>> a deviation must be indicated if an augmented module is not present?
>>>> Might be nice to have an ability to tag the augmentation as optional.
>>>>
>>>
>>> What about tagging the augmentation as a feature if the augmentation
>>> is not essential for your module?
>>>
>>> /js
>>>
>>> --
>>> Juergen Schoenwaelder           Jacobs University Bremen gGmbH
>>> Phone: [phone]         Campus Ring 1 | 28759 Bremen | Germany
>>> Fax:   [phone] <http://www.jacobs-university.de/>
>>>
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